Diondra Horner

Coroner Inner Banner July

Diondra Horner
Diondra Horner, F-ABMDI
Senior Investigator


  • 2008 Staunton, IL High School Valedictorian 
  • 2012 Southern Illinois University Edwardsville (SIUE) Bachelor of Biological Science with a Minor in Forensic Science
  • Madison County, IL Coroner's Office Intern from September 2012-November 2012
  • Madison County, IL Coroner's Office Interim Administrative Aide November 2012-March 2013
  • Madison County, IL Deputy Coroner March 2013-Present
  • Illinois Law Enforcement Training and Standards Board Mandatory Firearms Training April 2013
  • Forensic Entomology Evidence and Recovery Techniques instructed by Dr. Neal Haskell June 2013
  • Emergency Medical Technician Training through Staunton, IL Ambulance August-December 2013
  • Saint Louis University School of Medicine Medicolegal Death Investigator Training Course September 2013
  • American Board of Medicolegal Death Investigators Diplomate February 2015
  • Investigator St. Louis Major Case Squad
  • Investigator Southern Illinois Child Death Task Force